body {
  position: relative;
}



#tou {
  width: 1530.4px;
  height: 36px;
  background-color: #000;
  color: #fff;
  line-height: 36px;

}

.a-1 {
  color: #fff;

  text-decoration: none
}

#logo {
  width: 1530.4px;
  height: 90px;
  color: #000;
  line-height: 90px;
  font-size: 15px;
  font-weight: bold;


}

.img-1 {
  width: 1530px;
  height: 100%;
}

.c-1 {
  width: 312px;
  height: 90px;
}

.img-2 {
  width: 300px;
  height: 175px;
  border-radius: 10px;
}

.img-2:hover {
  margin-top: -7px;
  box-shadow: 2px 2px 5px #000;
  cursor: pointer;
}

.img-3 {
  width: 80px;
  height: 80px;
  margin: 0 50px;
}

.img-3:hover {
  margin-top: -7px;
  box-shadow: 2px 2px 5px #000;
  cursor: pointer;
}

#span {
  font-size: 20px;
  margin-left: 170px;
}

#btn {
  width: 100%;
  height: 53px;
  border: 1px solid #cacaca;
  background-color: #000;
  color: #fff;
  border-radius: 40px;
  font-size: 15px;
}

#btn:hover {
  cursor: pointer;
}

.oli {
  color: #292929;
}

.oli:hover {
  cursor: pointer;

}

#ul-1 {
  width: 1560px;
  height: 800px;
  background-color: #f8f8f8;
  overflow-y: scroll;
  overflow-x: hidden;
}

.er {
  width: 220px;
  text-align: center;
  height: 541px;
  background-color: #fff;
  font-size: 18px;
  /* position: absolute;
top: 150px;
left: 130px; */
  z-index: 1;
  border-radius: 10px;
}

#huaguo {
  width: 1000px;
  height: 600px;
  position: absolute;
  top: 150px;
  left: 100px;
  z-index: 1;
}


.san {
  width: 700px;
  height: 541px;
  background-color: #fff;
  color: #a3a1a1;
  position: absolute;
  top: 0px;
  left: 280px;
  z-index: 1;
  display: none;

}

p:hover {
  color: #000;
  cursor: pointer;
}

.img5 {
  margin: 10px 0;
  width: 70px;
  height: 70px;
}

.img5:hover {
  margin-top: -7px;
  box-shadow: 2px 2px 5px #000;
  /*  阴影*/
  cursor: pointer;
}


h4 {
  color: #cacaca;
  margin-left: 903px;
}

h4:hover {
  cursor: pointer;
  color: red;
}

/* 拼接 */
ul li {
  width: 235px;
  height: 300px;
  background-color: rgb(248, 252, 252);
  float: left;
  margin: 30px;
  list-style: none;
}

li img {
  width: 130px;
  height: 150px;
  margin: 5px 20%;
}


li .p-1 {
  font-size: 15px;
  text-align: center;
}

li .p-2 {
  font-size: 20px;
  text-align: center;
  color: red;

}

.p-3 {
  text-align: center;
}